2 #@ Please see INSTALL and make.rc instead.
7 # The feature set, to be kept in sync with make.rc
8 # If no documentation given, the option is used as such; if doc is a hyphen,
9 # entry is suppressed when configuration overview is printed, and also in the
10 # *features* string: most likely for obsolete features etc.
12 ICONV='Character set conversion using iconv(3)' \
13 SOCKETS='Network support' \
14 SSL='SSL/TLS (OpenSSL / LibreSSL)' \
15 SSL_ALL_ALGORITHMS='Support of all digest and cipher algorithms' \
16 SMTP='Simple Mail Transfer Protocol client' \
17 POP3='Post Office Protocol Version 3 client' \
18 IMAP='IMAP v4r1 client' \
19 GSSAPI='Generic Security Service authentication' \
20 NETRC='.netrc file support' \
22 MD5='MD5 message digest (APOP, CRAM-MD5)' \
23 IDNA='Internationalized Domain Names for Applications (encode only)' \
24 IMAP_SEARCH='IMAP-style search expressions' \
25 REGEX='Regular expressions' \
26 MLE='Mailx Line Editor' \
27 HISTORY='Line editor history management' \
28 KEY_BINDINGS='Configurable key bindings' \
29 TERMCAP='Terminal capability queries (termcap(5))' \
30 TERMCAP_VIA_TERMINFO='Terminal capability queries use terminfo(5)' \
31 ERRORS='Error log message ring' \
32 SPAM_SPAMC='Spam management via spamc(1) of spamassassin(1)' \
34 SPAM_FILTER='Freely configurable *spam-filter-..*s' \
35 DOCSTRINGS='Command documentation help strings' \
36 QUOTE_FOLD='Extended *quote-fold*ing' \
37 FILTER_HTML_TAGSOUP='Simple built-in HTML-to-text display filter' \
38 COLOUR='Coloured message display' \
39 DOTLOCK='Dotlock files and privilege-separated dotlock program' \
42 # Options which are automatically deduced from host environment, i.e., these
43 # need special treatment all around here to warp from/to OPT_ stuff
44 # setlocale, C90AMEND1, NL_LANGINFO, wcwidth
46 LOCALES='Locale support - printable characters etc. depend on environment' \
47 MULTIBYTE_CHARSETS='Multibyte character sets' \
48 TERMINAL_CHARSET='Automatic detection of terminal character set' \
49 WIDE_GLYPHS='Wide glyph support' \
52 # Rather special options, for custom building, or which always exist.
53 # Mostly for generating the visual overview and the *features* string
55 MIME='Multipurpose Internet Mail Extensions' \
56 SMIME='S/MIME message signing, verification, en- and decryption' \
57 CROSS_BUILD='Cross-compilation: trust any detected environment' \
58 DEBUG='Debug enabled binary, not for end-users: THANKS!' \
59 DEVEL='Computers do not blunder' \
62 # The problem is that we don't have any tools we can use right now, so
63 # encapsulate stuff in functions which get called in right order later on
85 option_parse OPTIONS_DETECT
"${XOPTIONS_DETECT}"
86 option_parse OPTIONS
"${XOPTIONS}"
87 option_parse OPTIONS_XTRA
"${XOPTIONS_XTRA}"
90 # Predefined CONFIG= urations take precedence over anything else
91 if [ -n "${CONFIG}" ]; then
100 [mM
][iI
][nN
][iI
][mM
][aA
][lL
])
106 [mM
][eE
][dD
][iI
][uU
][mM
])
112 OPT_HISTORY
=1 OPT_KEY_BINDINGS
=1
119 [nN
][eE
][tT
][sS
][eE
][nN
][dD
])
125 OPT_GSSAPI
=1 OPT_NETRC
=1 OPT_AGENT
=1
129 OPT_HISTORY
=1 OPT_KEY_BINDINGS
=1
134 [mM
][aA
][xX
][iI
][mM
][aA
][lL
])
138 [dD
][eE
][vV
][eE
][lL
])
139 OPT_DEVEL
=1 OPT_DEBUG
=1 OPT_NYD2
=1
142 [oO
][dD
][eE
][vV
][eE
][lL
])
147 echo >&2 "Unknown CONFIG= setting: ${CONFIG}"
148 echo >&2 ' NULL, NULLI, MINIMAL, MEDIUM, NETSEND, MAXIMAL'
155 # Inter-relationships
157 if feat_no SMTP
&& feat_no POP3
&& feat_no IMAP
; then
160 if feat_no SOCKETS
; then
161 if feat_require SMTP
; then
162 msg
'ERROR: need SOCKETS for required feature SMTP'
165 if feat_require POP3
; then
166 msg
'ERROR: need SOCKETS for required feature POP3'
169 if feat_require IMAP
; then
170 msg
'ERROR: need SOCKETS for required feature IMAP'
173 OPT_SSL
=0 OPT_SSL_ALL_ALGORITHMS
=0
174 OPT_SMTP
=0 OPT_POP3
=0 OPT_IMAP
=0
175 OPT_GSSAPI
=0 OPT_NETRC
=0 OPT_AGENT
=0
177 if feat_no SMTP
&& feat_no IMAP
; then
181 if feat_no ICONV
; then
182 if feat_require IMAP
; then
183 msg
'ERROR: need ICONV for required feature IMAP'
186 msg
'ERROR: disabling IMAP due to missing ICONV'
191 OPT_HISTORY
=0 OPT_KEY_BINDINGS
=0
194 # If we don't need MD5 leave it alone
195 if feat_no SOCKETS
; then
199 if feat_no TERMCAP
; then
200 OPT_TERMCAP_VIA_TERMINFO
=0
203 if feat_yes DEVEL
; then
211 h
=.
/mk-config.h h_name
=mk-config.h
214 newlst
=.
/mk-nconfig.lst
215 newmk
=.
/mk-nconfig.mk
216 newev
=.
/mk-nconfig.ev
222 ## -- >8 - << OPTIONS | OS/CC >> - 8< -- ##
224 # Note that potential duplicates in PATH, C_INCLUDE_PATH etc. will be cleaned
225 # via path_check() later on once possible
227 # TODO cc_maxopt is brute simple, we should compile test program and dig real
228 # compiler versions for known compilers, then be more specific
233 # We don't "have any utility": only path adjustments and such in here!
234 i
="${OS:-`uname -s`}"
236 if [ ${i} = SunOS
]; then
237 msg
'SunOS / Solaris? Applying some "early setup" rules ...'
238 _os_early_setup_sunos
242 _os_early_setup_sunos
() {
243 # According to standards(5), this is what we need to do
244 if [ -d /usr
/xpg4
]; then :; else
245 msg
'ERROR: On SunOS / Solaris we need /usr/xpg4 environment! Sorry.'
248 PATH
="/usr/xpg4/bin:/usr/ccs/bin:/usr/bin:${PATH}"
249 [ -d /usr
/xpg6
] && PATH
="/usr/xpg6/bin:${PATH}"
254 # OSENV ends up in *build-osenv*
255 # OSFULLSPEC is used to recognize changes (i.e., machine type, updates etc.)
256 : ${OS:=`uname -s | ${tr} '[A-Z]' '[a-z]'`}
257 : ${OSENV:=`uname -srm`}
258 : ${OSFULLSPEC:=`uname -a`}
259 msg
'Operating system is %s' ${OS}
261 if [ ${OS} = sunos
]; then
262 msg
' . have special SunOS / Solaris "setup" rules ...'
264 elif [ ${OS} = unixware
]; then
265 msg
' . have special UnixWare environmental rules ...'
266 if feat_yes AUTOCC
&& command -v cc
>/dev
/null
2>&1; then
268 feat_yes DEBUG
&& _CFLAGS
='-v -Xa -g' || _CFLAGS
='-Xa -O'
270 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
271 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
272 export CC CFLAGS LDFLAGS
273 OPT_AUTOCC
=0 had_want_autocc
=1 need_R_ldflags
=-R
275 elif [ -n "${VERBOSE}" ]; then
276 msg
' . no special treatment for this system necessary or known'
279 # Sledgehammer: better set _GNU_SOURCE
280 # And in general: oh, boy!
281 OS_DEFINES
="${OS_DEFINES}#define _GNU_SOURCE\n"
282 #OS_DEFINES="${OS_DEFINES}#define _POSIX_C_SOURCE 200809L\n"
283 #OS_DEFINES="${OS_DEFINES}#define _XOPEN_SOURCE 700\n"
284 #[ ${OS} = darwin ] && OS_DEFINES="${OS_DEFINES}#define _DARWIN_C_SOURCE\n"
286 # On pkgsrc(7) systems automatically add /usr/pkg/*
287 if [ -d /usr
/pkg
]; then
288 C_INCLUDE_PATH
="${C_INCLUDE_PATH}:/usr/pkg/include"
289 LD_LIBRARY_PATH
="${LD_LIBRARY_PATH}:/usr/pkg/lib"
294 C_INCLUDE_PATH
="/usr/xpg4/include:${C_INCLUDE_PATH}"
295 LD_LIBRARY_PATH
="/usr/xpg4/lib:${LD_LIBRARY_PATH}"
298 if [ -d /opt
/csw
]; then
299 C_INCLUDE_PATH
="${C_INCLUDE_PATH}:/opt/csw/include"
300 LD_LIBRARY_PATH
="${LD_LIBRARY_PATH}:/opt/csw/lib"
303 OS_DEFINES
="${OS_DEFINES}#define __EXTENSIONS__\n"
304 #OS_DEFINES="${OS_DEFINES}#define _POSIX_C_SOURCE 200112L\n"
306 [ -n "${cksum}" ] ||
cksum=/opt
/csw
/gnu
/cksum
307 if [ -x "${cksum}" ]; then :; else
308 msg
'ERROR: Not an executable program: %s' "${cksum}"
309 msg
'ERROR: We need a CRC-32 cksum(1), as specified in POSIX.'
310 msg
'ERROR: However, we do so only for tests.'
311 msg
'ERROR: If that is ok, set "cksum=/usr/bin/true", then rerun'
315 if feat_yes AUTOCC
; then
316 if command -v cc
>/dev
/null
2>&1; then
318 feat_yes DEBUG
&& _CFLAGS
="-v -Xa -g" || _CFLAGS
="-Xa -O"
320 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
321 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
322 export CC CFLAGS LDFLAGS
323 OPT_AUTOCC
=0 had_want_autocc
=1 need_R_ldflags
=-R
325 # Assume gcc(1), which supports -R for compat
326 cc_maxopt
=2 force_no_stackprot
=1 need_R_ldflags
=-Wl,-R
331 # Check out compiler ($CC) and -flags ($CFLAGS)
333 # Even though it belongs into cc_flags we will try to compile and link
334 # something, so ensure we have a clean state regarding CFLAGS/LDFLAGS or
335 # EXTRA_CFLAGS/EXTRA_LDFLAGS
336 if feat_no AUTOCC
; then
338 # Ensure those don't do any harm
339 EXTRA_CFLAGS
= EXTRA_LDFLAGS
=
340 export EXTRA_CFLAGS EXTRA_LDFLAGS
344 export CFLAGS LDFLAGS
347 [ -n "${CC}" ] && [ "${CC}" != cc ] && { _cc_default; return; }
349 msg_nonl 'Searching for a usable C compiler .. $CC='
350 if { i="`command -v clang`"; }; then
352 elif { i="`command -v gcc`"; }; then
354 elif { i="`command -v c99`"; }; then
356 elif { i="`command -v tcc`"; }; then
358 elif { i="`command -v pcc`"; }; then
361 if [ "${CC}" = cc ]; then
363 elif { i="`command -v c89`"; }; then
366 msg 'boing booom tschak'
367 msg 'ERROR: I cannot find a compiler!'
368 msg ' Neither of clang(1), gcc(1), tcc(1), pcc(1), c89(1) and c99(1).'
369 msg ' Please set ${CC} environment variable, maybe ${CFLAGS}, rerun.'
378 if [ -z "${CC}" ]; then
379 msg 'To go on like you have chosen, please set $CC, rerun.'
383 if [ -z "${VERBOSE}" ] && [ -f ${lst} ] && feat_no DEBUG; then
386 msg 'Using C compiler ${CC}=%s' "${CC}"
391 if feat_yes AUTOCC; then
392 if [ -f ${lst} ] && feat_no DEBUG && [ -z "${VERBOSE}" ]; then
394 msg 'Detecting ${CFLAGS}/${LDFLAGS} for ${CC}=%s, just a second..' \
398 msg 'Testing usable ${CFLAGS}/${LDFLAGS} for ${CC}=%s' "${CC}"
401 i
=`echo "${CC}" | ${awk} 'BEGIN{FS="/"}{print $NF}'`
402 if { echo "${i}" | ${grep} tcc; } >/dev/null 2>&1; then
403 msg ' . have special tcc(1) environmental rules ...'
406 # As of pcc CVS 2016-04-02, stack protection support is announced but
407 # will break if used on Linux
408 if { echo "${i}" | ${grep} pcc; } >/dev
/null
2>&1; then
414 feat_no DEBUG
&& _CFLAGS
="-DNDEBUG ${_CFLAGS}"
415 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
416 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
418 if feat_no DEBUG
; then
419 CFLAGS
="-DNDEBUG ${CFLAGS}"
423 export CFLAGS LDFLAGS
427 __cflags
=${_CFLAGS} __ldflags
=${_LDFLAGS}
434 if feat_yes DEBUG
; then
435 # May have problems to find libtcc cc_check -b
439 if ld_check
-Wl,-rpath =.
/ no
; then
440 need_R_ldflags
=-Wl,-rpath=
441 ld_check
-Wl,--enable-new-dtags
442 ld_runtime_flags
# update!
445 _CFLAGS
="${_CFLAGS} ${__cflags}" _LDFLAGS="${_LDFLAGS} ${__ldflags}"
446 unset __cflags __ldflags
449 _cc_flags_generic
() {
450 __cflags
=${_CFLAGS} __ldflags
=${_LDFLAGS}
452 feat_yes DEVEL
&& cc_check
-std=c89 || cc_check
-std=c99
454 # Check -g first since some others may rely upon -g / optim. level
455 if feat_yes DEBUG
; then
458 elif [ ${cc_maxopt} -gt 2 ] && cc_check
-O3; then
460 elif [ ${cc_maxopt} -gt 1 ] && cc_check
-O2; then
462 elif [ ${cc_maxopt} -gt 0 ] && cc_check
-O1; then
468 if feat_yes AMALGAMATION
; then
472 #if feat_yes DEVEL && cc_check -Weverything; then
477 cc_check
-Wbad-function-cast
478 cc_check
-Wcast-align
481 cc_check
-Wmissing-prototypes
484 cc_check
-Wwrite-strings
485 cc_check
-Wno-long-long
489 if feat_yes AMALGAMATION
&& feat_no DEVEL
; then
490 cc_check
-Wno-unused-function
492 feat_no DEVEL
&& cc_check
-Wno-unused-result # XXX do right way (pragma too)
494 cc_check
-fno-unwind-tables
495 cc_check
-fno-asynchronous-unwind-tables
496 cc_check
-fstrict-aliasing
497 if cc_check
-fstrict-overflow && feat_yes DEVEL
; then
498 cc_check
-Wstrict-overflow=5
501 if feat_yes DEBUG || feat_yes FORCED_STACKPROT
; then
502 if [ -z "${force_no_stackprot}" ]; then
503 if cc_check
-fstack-protector-strong ||
504 cc_check
-fstack-protector-all; then
505 cc_check
-D_FORTIFY_SOURCE=2
508 msg
'Not checking for -fstack-protector compiler option,'
509 msg
'since that caused errors in a "similar" configuration.'
510 msg
'You may turn off OPT_AUTOCC and use your own settings, rerun'
514 # LD (+ dependend CC)
516 if feat_yes ASAN_ADDRESS
; then
518 if cc_check
-fsanitize=address
&&
519 ld_check
-fsanitize=address
; then
522 feat_bail_required ASAN_ADDRESS
527 if feat_yes ASAN_MEMORY
; then
529 if cc_check
-fsanitize=memory
&&
530 ld_check
-fsanitize=memory
&&
531 cc_check
-fsanitize-memory-track-origins=2 &&
532 ld_check
-fsanitize-memory-track-origins=2; then
535 feat_bail_required ASAN_MEMORY
540 ld_check
-Wl,-z,relro
542 ld_check
-Wl,-z,noexecstack
543 if ld_check
-Wl,-rpath =.
/ no
; then
544 need_R_ldflags
=-Wl,-rpath=
545 # Choose DT_RUNPATH (after $LD_LIBRARY_PATH) over DT_RPATH (before)
546 ld_check
-Wl,--enable-new-dtags
547 ld_runtime_flags
# update!
548 elif ld_check
-Wl,-R .
/ no
; then
549 need_R_ldflags
=-Wl,-R
550 ld_check
-Wl,--enable-new-dtags
551 ld_runtime_flags
# update!
554 # Address randomization
556 if cc_check
-fPIE || cc_check
-fpie; then
557 ld_check
-pie || _CFLAGS
=${_ccfg}
561 _CFLAGS
="${_CFLAGS} ${__cflags}" _LDFLAGS="${_LDFLAGS} ${__ldflags}"
562 unset __cflags __ldflags
565 ## -- >8 - <<OS/CC | SUPPORT FUNS>> - 8< -- ##
568 ## - Heirloom sh(1) (and same origin) have _sometimes_ problems with ': >'
569 ## redirection, so use "printf '' >" instead
571 ## Very first: we undergo several states regarding I/O redirection etc.,
572 ## but need to deal with option updates from within all. Since all the
573 ## option stuff should be above the scissor line, define utility functions
574 ## and redefine them as necessary.
575 ## And, since we have those functions, simply use them for whatever
584 printf >&2 -- "${fmt}\\n" "${@}"
590 printf >&2 -- "${fmt}" "${@}"
593 t1
=ten10one1ten10one1
594 if ( [ ${t1##*ten10} = one1
] && [ ${t1#*ten10} = one1ten10one1
] &&
595 [ ${t1%%one1*} = ten10
] && [ ${t1%one1*} = ten10one1ten10
]
596 ) > /dev
/null
2>&1; then
603 # We need some standard utilities
606 n
=${1} i=${2} opt=${3:-0}
607 # Evaluate, just in case user comes in with shell snippets (..well..)
609 if type "${i}" >/dev
/null
2>&1; then # XXX why have i type not command -v?
610 [ -n "${VERBOSE}" ] && msg ' . ${%s} ... %s' "${n}" "${i}"
614 if [ ${opt} -eq 0 ]; then
615 msg
'ERROR: no trace of utility %s' "${n}"
621 # Our feature check environment
623 [ "x${1}" = x0
] ||
[ "x${1}" = xn
] ||
624 [ "x${1}" = xfalse ] || [ "x${1}" = xno ] || [ "x${1}" = xoff
]
628 [ "x${1}" = x1
] ||
[ "x${1}" = xy
] ||
629 [ "x${1}" = xtrue ] || [ "x${1}" = xyes ] || [ "x${1}" = xon
] ||
630 [ "x${1}" = xrequire
]
634 [ "x${1}" = xrequire
]
639 i
="`echo ${i} | ${tr} '[A-Z]' '[a-z]'`"
640 if feat_val_no
"${i}"; then
642 elif feat_val_yes
"${i}"; then
645 msg
"ERROR: %s: 0/n/false/no/off or 1/y/true/yes/on/require, got: %s" \
656 _feat_check
${1} && return 1
662 i
="`echo ${i} | ${tr} '[A-Z]' '[a-z]'`"
663 [ "x${i}" = xrequire
] ||
[ "x${i}" = xrequired
]
666 feat_bail_required
() {
667 if feat_require
${1}; then
668 msg
'ERROR: feature OPT_%s is required but not available' "${1}"
672 option_update
# XXX this is rather useless here (dependency chain..)
676 # Parse one of our XOPTIONS* in $2 and assign the sh(1) compatible list of
677 # options, without documentation, to $1
679 i
="`${awk} -v input=\"${2}\" '
682 voff = match(input, /[[:alnum:]_]+(='${j}'[^'${j}']+)?/)
685 v = substr(input, voff, RLENGTH)
686 input = substr(input, voff + RLENGTH)
689 d = substr(v, doff + 2, length(v) - doff - 1)
690 v = substr(v, 1, doff - 1)
700 # Return the "documentation string" for option $1, itself if none such
702 ${awk} -v want
="${1}" \
703 -v input
="${XOPTIONS_DETECT}${XOPTIONS}${XOPTIONS_XTRA}" '
706 voff = match(input, /[[:alnum:]_]+(='${j}'[^'${j}']+)?/)
709 v = substr(input, voff, RLENGTH)
710 input = substr(input, voff + RLENGTH)
713 d = substr(v, doff + 2, length(v) - doff - 1)
714 v = substr(v, 1, doff - 1)
728 # Join the values from make.rc into what currently is defined, not
729 # overwriting yet existing settings
731 # We want read(1) to perform reverse solidus escaping in order to be able to
732 # use multiline values in make.rc; the resulting sh(1)/sed(1) code was very
733 # slow in VMs (see [fa2e248]), Aharon Robbins suggested the following
734 < ${rc} ${awk} 'BEGIN{line = ""}{
735 gsub
(/^
[[:space
:]]+/, "", $0)
736 gsub
(/[[:space
:]]+$
/, "", $0)
737 if(gsub
(/\\$
/, "", $0)){
742 if(index
(line
, "#") == 1){
744 }else if(length
(line
)){
750 if [ -n "${good_shell}" ]; then
753 i=`${awk} -v LINE="${line}" 'BEGIN
{
754 gsub
(/=.
*$
/, "", LINE
)
758 if [ "${i}" = "${line}" ]; then
759 msg 'ERROR
: invalid syntax
in: %s
' "${line}"
763 eval j="\$${i}" jx="\${${i}+x}"
764 if [ -n "${j}" ] || [ "${jx}" = x ]; then
767 j=`${awk} -v LINE="${line}" 'BEGIN
{
768 gsub
(/^
[^
=]*=/, "", LINE
)
769 gsub
(/^
\"*/, "", LINE
)
770 gsub
(/\"*$
/, "", LINE
)
774 [ "${i}" = "DESTDIR" ] && continue
777 # Reread the mixed version right now
782 # Expand the option values, which may contain shell snippets
783 ${rm} -f ${newlst} ${newmk} ${newh}
784 exec 5<&0 6>&1 <${tmp} >${newlst}
787 if [ -n "${good_shell}" ]; then
789 [ "${i}" != "${i#OPT_}" ] && z=1
791 i=`${awk} -v LINE="${line}" 'BEGIN
{
792 gsub
(/=.
*$
/, "", LINE
);\
795 if echo "${i}" | ${grep} '^OPT_
' >/dev/null 2>&1; then
801 if [ -n "${z}" ]; then
802 j="`echo ${j} | ${tr} '[A-Z
]' '[a-z
]'`"
803 if [ -z "${j}" ] || feat_val_no "${j}"; then
805 printf " /* #undef ${i} */\n" >> ${newh}
806 elif feat_val_yes "${j}"; then
807 if feat_val_require "${j}"; then
812 printf " /* #define ${i} */\n" >> ${newh}
814 msg 'ERROR
: cannot parse
<%s
>' "${line}"
818 printf "#define ${i} \"${j}\"\n" >> ${newh}
820 printf "${i} = ${j}\n" >> ${newmk}
824 exec 0<&5 1>&6 5<&- 6<&-
828 # "path_check VARNAME" or "path_check VARNAME FLAG VARNAME"
829 varname=${1} addflag=${2} flagvarname=${3}
837 [ -z "${i}" ] && continue
838 [ -d "${i}" ] || continue
839 # Skip any fakeroot packager environment
840 case "${i}" in *fakeroot*) continue;; esac
841 if [ -n "${j}" ]; then
842 if { z=${y}; echo "${z}"; } | ${grep} ":${i}:" >/dev/null 2>&1; then
847 [ -n "${addflag}" ] && k="${k} ${addflag}${i}"
852 [ -n "${addflag}" ] && k="${addflag}${i}"
855 eval "${varname}=\"${j}\""
856 [ -n "${addflag}" ] && eval "${flagvarname}=\"${k}\""
861 if [ -n "${need_R_ldflags}" ]; then
864 set -- ${LD_LIBRARY_PATH}
868 LDFLAGS="${LDFLAGS} ${need_R_ldflags}${i}"
869 _LDFLAGS="${_LDFLAGS} ${need_R_ldflags}${i}"
873 # Disable it for a possible second run.
878 [ -n "${cc_check_silent}" ] || msg_nonl ' . CC
%s ..
' "${1}"
880 ${_CFLAGS} ${1} ${EXTRA_CFLAGS} ${_LDFLAGS} ${EXTRA_LDFLAGS} \
881 -o ${tmp2} ${tmp}.c ${LIBS} >/dev/null 2>&1; then
882 _CFLAGS="${_CFLAGS} ${1}"
883 [ -n "${cc_check_silent}" ] || msg 'yes'
886 [ -n "${cc_check_silent}" ] || msg 'no
'
891 # $1=option [$2=option argument] [$3=if set, shall NOT be added to _LDFLAGS]
892 [ -n "${cc_check_silent}" ] || msg_nonl ' . LD
%s ..
' "${1}"
893 if "${CC}" ${INCS} ${_CFLAGS} ${_LDFLAGS} ${1}${2} ${EXTRA_LDFLAGS} \
894 -o ${tmp2} ${tmp}.c ${LIBS} >/dev/null 2>&1; then
895 [ -n "${3}" ] || _LDFLAGS="${_LDFLAGS} ${1}"
896 [ -n "${cc_check_silent}" ] || msg 'yes'
899 [ -n "${cc_check_silent}" ] || msg 'no
'
904 variable=$1 topic=$2 define=$3
907 msg_nonl ' .
%s ...
' "${topic}"
908 echo "/* checked ${topic} */" >> ${h}
909 ${rm} -f ${tmp} ${tmp}.o
910 echo '*** test program is
'
911 { echo '#include <'"${h_name}"'>'; cat; } | ${tee} ${tmp}.c
912 #echo '*** the preprocessor generates'
913 #${make} -f ${makefile} ${tmp}.x
915 echo '*** results are'
919 yesno
=$1 variable
=$2 topic
=$3 define
=$4 libs
=$5 incs
=$6
922 msg_nonl
' . %s ... ' "${topic}"
924 echo '*** enforced unchecked results are'
925 if feat_val_yes
${yesno}; then
926 if [ -n "${incs}" ] ||
[ -n "${libs}" ]; then
927 echo "*** adding INCS<${incs}> LIBS<${libs}>"
928 LIBS
="${LIBS} ${libs}"
929 echo "${libs}" >> ${lib}
930 INCS
="${INCS} ${incs}"
931 echo "${incs}" >> ${inc}
934 echo "${define}" >> ${h}
935 eval have_
${variable}=yes
938 echo "/* ${define} */" >> ${h}
940 eval unset have_
${variable}
946 variable
=$1 topic
=$2 define
=$3
948 _check_preface
"${variable}" "${topic}" "${define}"
950 if ${make} -f ${makefile} XINCS="${INCS}" \
951 CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}" \
953 [ -f ./${tmp}.o ]; then
955 echo "${define}" >> ${h}
956 eval have_${variable}=yes
959 echo "/* ${define} */" >> ${h}
961 eval unset have_${variable}
967 run=$1 variable=$2 topic=$3 define=$4 libs=$5 incs=$6
969 _check_preface "${variable}" "${topic}" "${define}"
971 if feat_yes CROSS_BUILD; then
972 if [ ${run} = 1 ]; then
977 if ${make} -f ${makefile} XINCS="${INCS} ${incs}" \
978 CFLAGS
="${CFLAGS}" LDFLAGS
="${LDFLAGS}" \
979 XLIBS
="${LIBS} ${libs}" \
982 { [ ${run} -eq 0 ] || ./${tmp}; }; then
983 echo "*** adding INCS<${incs}> LIBS<${libs}>; executed: ${run}"
985 echo "${define}" >> ${h}
986 LIBS
="${LIBS} ${libs}"
987 echo "${libs}" >> ${lib}
988 INCS
="${INCS} ${incs}"
989 echo "${incs}" >> ${inc}
990 eval have_
${variable}=yes
994 echo "/* ${define} */" >> ${h}
995 eval unset have_
${variable}
1001 _link_mayrun
0 "${1}" "${2}" "${3}" "${4}" "${5}"
1005 _link_mayrun
1 "${1}" "${2}" "${3}" "${4}" "${5}"
1009 _link_mayrun
2 "${1}" "${2}" "${3}" "${4}" "${5}"
1013 if feat_yes
${1}; then
1014 echo '#define HAVE_'${1}'' >> ${h}
1017 echo '/* OPT_'${1}'=0 */' >> ${h}
1023 < "${1}" > "${2}" ${awk} \
1024 'BEGIN {ORS = " "} /^[^#]/ {print} {next} END {ORS = ""; print "\n"}'
1027 ## -- >8 - <<SUPPORT FUNS | RUNNING>> - 8< -- ##
1029 # First of all, create new configuration and check whether it changed
1031 # Very easy checks for the operating system in order to be able to adjust paths
1032 # or similar very basic things which we need to be able to go at all
1035 # Check those tools right now that we need before including $rc
1036 msg 'Checking for basic utility set'
1037 check_tool awk "${awk:-`command -v awk`}"
1038 check_tool rm "${rm:-`command -v rm`}"
1039 check_tool tr "${tr:-`command -v tr`}"
1041 # Initialize the option set
1042 msg_nonl 'Setting up configuration options ... '
1046 # Include $rc, but only take from it what wasn't overwritten by the user from
1047 # within the command line or from a chosen fixed CONFIG=
1048 # Note we leave alone the values
1049 trap "exit 1" HUP INT TERM
1050 trap "${rm} -f ${tmp}" EXIT
1052 msg_nonl 'Joining in %s ... ' ${rc}
1056 # We need to know about that now, in order to provide utility overwrites etc.
1059 msg 'Checking for remaining set of utilities'
1060 check_tool grep "${grep:-`command -v grep`}"
1062 # Before we step ahead with the other utilities perform a path cleanup first.
1066 check_tool cat "${cat:-`command -v cat`}"
1067 check_tool chmod "${chmod:-`command -v chmod`}"
1068 check_tool cp "${cp:-`command -v cp`}"
1069 check_tool cmp "${cmp:-`command -v cmp`}"
1071 check_tool mkdir "${mkdir:-`command -v mkdir`}"
1072 check_tool mv "${mv:-`command -v mv`}"
1074 check_tool sed "${sed:-`command -v sed`}"
1075 check_tool sort "${sort:-`command -v sort`}"
1076 check_tool tee "${tee:-`command -v tee`}"
1078 check_tool chown "${chown:-`command -v chown`}" 1 ||
1079 check_tool chown "/sbin
/chown
" 1 ||
1080 check_tool chown "/usr
/sbin
/chown
"
1082 check_tool make "${MAKE:-`command -v make`}"
1084 check_tool strip "${STRIP:-`command -v strip`}" 1 &&
1085 HAVE_STRIP=1 || HAVE_STRIP=0
1087 # For ./cc-test.sh only
1088 check_tool cksum "${cksum:-`command -v cksum`}"
1090 # Update OPT_ options now, in order to get possible inter-dependencies right
1093 # (No functions since some shells loose non-exported variables in traps)
1094 trap "trap \"\" HUP INT TERM
; exit 1" HUP INT TERM
1095 trap "trap \"\" HUP INT TERM EXIT
;\
1096 ${rm} -rf ${newlst} ${tmp0}.* ${tmp0}* ${newmk} ${newev} ${newh}" EXIT
1098 # Our configuration options may at this point still contain shell snippets,
1099 # we need to evaluate them in order to get them expanded, and we need those
1100 # evaluated values not only in our new configuration file, but also at hand..
1101 msg_nonl 'Evaluating all configuration items ... '
1105 # Add the known utility and some other variables
1106 printf "#define VAL_UAGENT \"${VAL_SID}${VAL_MAILX}\"\n" >> ${newh}
1107 printf "VAL_UAGENT = ${VAL_SID}${VAL_MAILX}\n" >> ${newmk}
1109 printf "#define VAL_PRIVSEP \"${VAL_SID}${VAL_MAILX}-privsep\"\n" >> ${newh}
1110 printf "VAL_PRIVSEP = \$(VAL_UAGENT)-privsep\n" >> ${newmk}
1111 if feat_yes DOTLOCK
; then
1112 printf "OPTIONAL_PRIVSEP = \$(VAL_PRIVSEP)\n" >> ${newmk}
1114 printf "OPTIONAL_PRIVSEP =\n" >> ${newmk}
1118 awk cat chmod chown
cp cmp grep mkdir
mv rm sed sort tee tr \
1119 MAKE MAKEFLAGS
make SHELL strip \
1122 printf "${i} = ${j}\n" >> ${newmk}
1123 printf "${i}=${j}\n" >> ${newlst}
1124 printf "${i}=\"${j}\";export ${i}; " >> ${newev}
1126 printf "\n" >> ${newev}
1128 # Build a basic set of INCS and LIBS according to user environment.
1129 path_check C_INCLUDE_PATH -I _INCS
1130 INCS="${INCS} ${_INCS}"
1131 path_check LD_LIBRARY_PATH -L _LIBS
1132 LIBS="${LIBS} ${_LIBS}"
1134 export C_INCLUDE_PATH LD_LIBRARY_PATH
1136 # Some environments need runtime path flags to be able to go at all
1139 ## Detect CC, whether we can use it, and possibly which CFLAGS we can use
1143 ${cat} > ${tmp}.c << \!
1146 static void doit(char const *s);
1148 main(int argc, char **argv){
1151 doit("Hello world
");
1155 doit(char const *s){
1157 memcpy(buf, s, strlen(s) +1);
1162 if "${CC}" ${INCS} ${CFLAGS} ${EXTRA_CFLAGS} ${LDFLAGS} ${EXTRA_LDFLAGS} \
1163 -o ${tmp2} ${tmp}.c ${LIBS}; then
1166 msg
'ERROR: i cannot compile a "Hello world" via'
1168 "${CC} ${INCS} ${CFLAGS} ${EXTRA_CFLAGS} ${LDFLAGS} ${EXTRA_LDFLAGS} ${LIBS}"
1169 msg
'ERROR: Please read INSTALL, rerun'
1173 # This may also update ld_runtime_flags() (again)
1180 printf -- "${i}=${j}\n" >> ${newlst}
1186 PATH C_INCLUDE_PATH LD_LIBRARY_PATH \
1190 printf -- "${i} = ${j}\n" >> ${newmk}
1191 printf -- "${i}=${j}\n" >> ${newlst}
1194 # Now finally check whether we already have a configuration and if so, whether
1195 # all those parameters are still the same.. or something has actually changed
1196 if [ -f ${lst} ] && ${cmp} ${newlst} ${lst} >/dev/null 2>&1; then
1197 echo 'Configuration is up-to-date'
1199 elif [ -f ${lst} ]; then
1200 echo 'Configuration has been updated..'
1201 ( eval "${MAKE} -f .
/mk-config.mk clean
" )
1204 echo 'Shiny configuration..'
1207 # Time to redefine helper 1
1209 ${rm} -f ${lst} ${h} ${mk}
1213 ${mv} -f ${newlst} ${lst}
1214 ${mv} -f ${newev} ${ev}
1215 ${mv} -f ${newh} ${h}
1216 ${mv} -f ${newmk} ${mk}
1218 if [ -z "${VERBOSE}" ]; then
1219 printf -- "ECHO_CC
= @
echo ' 'CC \$
(@
);\n" >> ${mk}
1220 printf -- "ECHO_LINK
= @
echo ' 'LINK \$
(@
);\n" >> ${mk}
1221 printf -- "ECHO_GEN
= @
echo ' 'GEN \$
(@
);\n" >> ${mk}
1222 printf -- "ECHO_TEST
= @
\n" >> ${mk}
1223 printf -- "ECHO_CMD
= @
echo ' CMD';\n" >> ${mk}
1224 printf -- "ECHO_BLOCK_BEGIN
= @
( \n" >> ${mk}
1225 printf -- "ECHO_BLOCK_END
= ) >/dev
/null
\n" >> ${mk}
1228 ## Compile and link checking
1234 makefile=./${tmp0}.mk
1236 # (No function since some shells loose non-exported variables in traps)
1237 trap "trap \"\" HUP INT TERM
;\
1238 ${rm} -f ${lst} ${h} ${mk} ${lib} ${inc}; exit 1" HUP INT TERM
1239 trap "trap \"\" HUP INT TERM EXIT
;\
1240 ${rm} -rf ${tmp0}.* ${tmp0}*" EXIT
1242 # Time to redefine helper 2
1246 printf "*** ${fmt}\\n
" "${@}"
1247 printf -- "${fmt}\\n
" "${@}" >&5
1252 printf "*** ${fmt}\\n
" "${@}"
1253 printf -- "${fmt}" "${@}" >&5
1257 exec 5>&2 > ${log} 2>&1
1259 echo "${LIBS}" > ${lib}
1260 echo "${INCS}" > ${inc}
1261 ${cat} > ${makefile} << \!
1262 .SUFFIXES: .o .c .x .y
1264 $(CC) -I./ $(XINCS) $(CFLAGS) -c $(<)
1266 $(CC) -I./ $(XINCS) -E $(<) > $(@)
1268 $(CC) -I./ $(XINCS) $(CFLAGS) $(LDFLAGS) -o $(@) $(<) $(XLIBS)
1273 # May be multiline..
1275 [ -n "${OS_DEFINES}" ] && printf -- "${OS_DEFINES}" >> ${h}
1276 echo '#define VAL_BUILD_OS "'"${OS}"'"' >> ${h}
1277 echo '#define VAL_BUILD_OSENV "'"${OSENV}"'"' >> ${h}
1279 # Generate n_err_number OS mappings
1281 feat_yes DEVEL
&& NV
= || NV
=noverbose
1282 TARGET
="${h}" awk="${awk}" ./make-errors.sh ${NV} config
1284 xrun_check oserrno 'OS error mapping table generated' || config_exit 1
1286 feat_def ALWAYS_UNICODE_LOCALE
1287 feat_def AMALGAMATION
1288 feat_def CROSS_BUILD
1292 feat_def ASAN_ADDRESS
1293 feat_def ASAN_MEMORY
1299 if xrun_check inline 'inline functions' \
1300 '#define HAVE_INLINE
1301 #define n_INLINE static inline' << \!
1302 static inline int ilf(int i){return ++i;}
1303 int main(void){return ilf(-1);}
1307 elif xrun_check inline 'inline functions (via __inline)' \
1308 '#define HAVE_INLINE
1309 #define n_INLINE static __inline' << \!
1310 static __inline int ilf(int i){return ++i;}
1311 int main(void){return ilf(-1);}
1317 ## Test for "basic
" system-calls / functionality that is used by all parts
1318 ## of our program. Once this is done fork away BASE_LIBS and other BASE_*
1319 ## macros to be used by only the subprograms (potentially).
1321 if run_check clock_gettime 'clock_gettime(2)' \
1322 '#define HAVE_CLOCK_GETTIME' << \!
1328 if(!clock_gettime(CLOCK_REALTIME, &ts) || errno != ENOSYS)
1335 elif run_check clock_gettime 'clock_gettime(2) (via -lrt)' \
1336 '#define HAVE_CLOCK_GETTIME' '-lrt' << \!
1342 if(!clock_gettime(CLOCK_REALTIME, &ts) || errno != ENOSYS)
1349 elif run_check gettimeofday 'gettimeofday(2)' \
1350 '#define HAVE_GETTIMEOFDAY' << \!
1351 #include <stdio.h> /* For C89 NULL */
1352 #include <sys/time.h>
1357 if(!gettimeofday(&tv, NULL) || errno != ENOSYS)
1365 have_no_subsecond_time=1
1368 if run_check nanosleep 'nanosleep(2)' \
1369 '#define HAVE_NANOSLEEP' << \!
1376 ts.tv_nsec = 100000;
1377 if(!nanosleep(&ts, NULL) || errno != ENOSYS)
1384 elif run_check nanosleep 'nanosleep(2) (via -lrt)' \
1385 '#define HAVE_NANOSLEEP' '-lrt' << \!
1392 ts.tv_nsec = 100000;
1393 if(!nanosleep(&ts, NULL) || errno != ENOSYS)
1400 # link_check is enough for this, that function is so old, trust the proto
1401 elif link_check sleep 'sleep(3)' \
1402 '#define HAVE_SLEEP' << \!
1406 if(!sleep(1) || errno != ENOSYS)
1414 msg 'ERROR: we require one of nanosleep(2) and sleep(3).'
1418 if run_check userdb 'gete?[gu]id(2), getpwuid(3), getpwnam(3)' << \!
1427 if((gid = getgid()) != 0)
1429 if((uid = getuid()) != 0)
1431 if((pw = getpwuid(uid)) == NULL && errno == ENOSYS)
1433 if((pw = getpwnam("root
")) == NULL && errno == ENOSYS)
1441 msg 'ERROR: we require user and group info / database searches.'
1442 msg 'That much Unix we indulge ourselfs.'
1446 if link_check ftruncate 'ftruncate(2)' \
1447 '#define HAVE_FTRUNCATE' << \!
1449 #include <sys/types.h>
1451 return (ftruncate(0, 0) != 0);
1457 msg 'ERROR: we require the ftruncate(2) system call.'
1461 if run_check sa_restart 'SA_RESTART (for sigaction(2))' << \!
1465 struct sigaction nact, oact;
1467 nact.sa_handler = SIG_DFL;
1468 sigemptyset(&nact.sa_mask);
1469 nact.sa_flags = SA_RESTART;
1470 return !(!sigaction(SIGCHLD, &nact, &oact) || errno != ENOSYS);
1476 msg 'ERROR: we (yet) require the SA_RESTART flag for sigaction(2).'
1480 if link_check snprintf 'snprintf(3)' << \!
1485 snprintf(b, sizeof b, "%s
", "string
");
1492 msg 'ERROR: we require the snprintf(3) function.'
1496 if link_check environ 'environ(3)' << \!
1497 #include <stdio.h> /* For C89 NULL */
1499 extern char **environ;
1501 return environ[0] == NULL;
1507 msg 'ERROR: we require the environ(3) array for subprocess control.'
1511 if link_check setenv '(un)?setenv(3)' '#define HAVE_SETENV' << \!
1514 setenv("s-mailx
", "i want to see it cute
!", 1);
1515 unsetenv("s-mailx
");
1521 elif link_check setenv 'putenv(3)' '#define HAVE_PUTENV' << \!
1524 putenv("s-mailx
=i want to see it cute
!");
1531 msg 'ERROR: we require either the setenv(3) or putenv(3) functions.'
1535 if link_check termios 'termios.h and tc*(3) family' << \!
1536 #include <termios.h>
1538 struct termios tios;
1540 tcgetattr(0, &tios);
1541 tcsetattr(0, TCSANOW | TCSADRAIN | TCSAFLUSH, &tios);
1548 msg 'ERROR: we require termios.h and the tc*() family of functions.'
1549 msg 'That much Unix we indulge ourselfs.'
1555 if link_check vsnprintf 'vsnprintf(3)' << \!
1558 static void dome(char *buf, size_t blen, ...){
1562 vsnprintf(buf, blen, "%s
", ap);
1568 dome(b, sizeof b, "string
");
1575 feat_bail_required ERRORS
1578 if [ "${have_vsnprintf}" = yes ]; then
1580 link_check va_copy "va_copy
(3) (as
${2})" \
1581 "#define HAVE_N_VA_COPY
1582 #define n_va_copy ${2}" <<_EOT
1586 # if defined __va_copy && !defined va_copy
1587 # define va_copy __va_copy
1590 static void dome2
(char
*buf
, size_t blen
, va_list src
){
1594 vsnprintf
(buf
, blen
, "%s", ap
);
1597 static void dome
(char
*buf
, size_t blen
, ...
){
1601 dome2
(buf
, blen
, ap
);
1607 dome
(b
, sizeof b
, "string");
1612 __va_copy
0 va_copy || __va_copy
1 __va_copy
1615 run_check pathconf
'f?pathconf(2)' '#define HAVE_PATHCONF' << \
!
1622 rv |
= !(pathconf
(".", _PC_NAME_MAX
) >= 0 || errno
== 0 || errno
!= ENOSYS
);
1624 rv |
= !(pathconf
(".", _PC_PATH_MAX
) >= 0 || errno
== 0 || errno
!= ENOSYS
);
1626 /* Only link check
*/
1627 fpathconf
(0, _PC_NAME_MAX
);
1633 run_check pipe2
'pipe2(2)' '#define HAVE_PIPE2' << \
!
1640 if(!pipe2
(fds
, O_CLOEXEC
) || errno
!= ENOSYS
)
1646 # We use this only then for now (need NOW+1)
1647 run_check utimensat
'utimensat(2)' '#define HAVE_UTIMENSAT' << \
!
1648 #include <fcntl.h> /* For AT_* */
1649 #include <sys/stat.h>
1652 struct timespec ts
[2];
1654 ts
[0].tv_nsec
= UTIME_NOW
;
1655 ts
[1].tv_nsec
= UTIME_OMIT
;
1656 if(!utimensat
(AT_FDCWD
, "", ts
, 0) || errno
!= ENOSYS
)
1664 # XXX Add POSIX check once standardized
1665 if link_check posix_random
'arc4random(3)' '#define HAVE_POSIX_RANDOM 0' << \
!
1674 elif link_check getrandom
'getrandom(2) (in sys/random.h)' \
1675 '#define HAVE_GETRANDOM(B,S) getrandom(B, S, 0)
1676 #define HAVE_GETRANDOM_HEADER <sys/random.h>' <<\
!
1677 #include <sys/random.h>
1680 getrandom
(buf
, sizeof buf
, 0);
1686 elif link_check getrandom
'getrandom(2) (via syscall(2))' \
1687 '#define HAVE_GETRANDOM(B,S) syscall(SYS_getrandom, B, S, 0)
1688 #define HAVE_GETRANDOM_HEADER <sys/syscall.h>' <<\
!
1689 #include <sys/syscall.h>
1692 syscall
(SYS_getrandom
, buf
, sizeof buf
, 0);
1698 elif [ -n "${have_no_subsecond_time}" ]; then
1699 msg
'ERROR: %s %s' 'without a native random' \
1700 'one of clock_gettime(2) and gettimeofday(2) is required.'
1705 link_check putc_unlocked
'putc_unlocked(3)' '#define HAVE_PUTC_UNLOCKED' <<\
!
1708 putc_unlocked
('@', stdout
);
1713 link_check fchdir
'fchdir(3)' '#define HAVE_FCHDIR' << \
!
1721 if run_check realpath
'realpath(3)' '#define HAVE_REALPATH' << \
!
1724 char x_buf
[4096], *x
= realpath
(".", x_buf
);
1726 return (x
!= NULL
) ?
0 : 1;
1730 if run_check realpath_malloc
'realpath(3) takes NULL' \
1731 '#define HAVE_REALPATH_NULL' << \
!
1734 char
*x
= realpath
(".", NULL
);
1738 return (x
!= NULL
) ?
0 : 1;
1746 ## optional and selectable
1748 if feat_yes DOTLOCK
; then
1749 if run_check readlink
'readlink(2)' << \
!
1755 if(!readlink
("here", buf
, sizeof buf
) || errno
!= ENOSYS
)
1763 feat_bail_required DOTLOCK
1767 if feat_yes DOTLOCK
; then
1768 if run_check fchown
'fchown(2)' << \
!
1772 if(!fchown
(0, 0, 0) || errno
!= ENOSYS
)
1780 feat_bail_required DOTLOCK
1784 ## Now it is the time to fork away the BASE_ series
1787 squeeze_em
${inc} ${tmp}
1789 squeeze_em
${lib} ${tmp}
1792 echo "BASE_LIBS = `${cat} ${lib}`" >> ${mk}
1793 echo "BASE_INCS
= `${cat} ${inc}`" >> ${mk}
1795 ## The remains are expected to be used only by the main MUA binary!
1798 link_check setlocale 'setlocale(3)' '#define HAVE_SETLOCALE' << \!
1801 setlocale(LC_ALL, "");
1805 [ -n "${have_setlocale}" ] && OPT_LOCALES=1
1807 OPT_MULTIBYTE_CHARSETS=0
1809 OPT_TERMINAL_CHARSET=0
1810 if [ -n "${have_setlocale}" ]; then
1811 link_check c90amend1 'ISO/IEC 9899:1990/Amendment 1:1995' \
1812 '#define HAVE_C90AMEND1' << \!
1818 char mbb[MB_LEN_MAX + 1];
1823 mbtowc(&wc, "x", 1);
1824 mbrtowc(&wc, "x", 1, NULL);
1826 return (mblen("\0", 1) == 0);
1829 [ -n "${have_c90amend1}" ] && OPT_MULTIBYTE_CHARSETS=1
1831 if [ -n "${have_c90amend1}" ]; then
1832 link_check wcwidth 'wcwidth(3)' '#define HAVE_WCWIDTH' << \!
1839 [ -n "${have_wcwidth}" ] && OPT_WIDE_GLYPHS=1
1842 link_check nl_langinfo 'nl_langinfo(3)' '#define HAVE_NL_LANGINFO' << \!
1843 #include <langinfo.h>
1847 return (nl_langinfo(CODESET) == NULL);
1850 [ -n "${have_nl_langinfo}" ] && OPT_TERMINAL_CHARSET=1
1853 link_check fnmatch 'fnmatch(3)' '#define HAVE_FNMATCH' << \!
1854 #include <fnmatch.h>
1856 return (fnmatch("*", ".", FNM_PATHNAME | FNM_PERIOD) == FNM_NOMATCH);
1860 link_check dirent_d_type 'struct dirent.d_type' '#define HAVE_DIRENT_TYPE' << \!
1864 return !(de.d_type == DT_UNKNOWN ||
1865 de.d_type == DT_DIR || de.d_type == DT_LNK);
1869 ## optional and selectable
1871 if feat_yes ICONV; then
1872 ${cat} > ${tmp2}.c << \!
1873 #include <stdio.h> /* For C89 NULL */
1878 id = iconv_open("foo", "bar");
1879 iconv(id, NULL, NULL, NULL, NULL);
1884 < ${tmp2}.c link_check iconv 'iconv(3) functionality' \
1885 '#define HAVE_ICONV' ||
1886 < ${tmp2}.c link_check iconv 'iconv(3) functionality (via -liconv)' \
1887 '#define HAVE_ICONV' '-liconv' ||
1888 feat_bail_required ICONV
1890 echo '/* OPT_ICONV=0 */' >> ${h}
1893 if feat_yes SOCKETS || feat_yes SPAM_SPAMD; then
1894 ${cat} > ${tmp2}.c << \!
1895 #include <sys/types.h>
1896 #include <sys/socket.h>
1900 struct sockaddr_un soun;
1902 if(socket(AF_UNIX, SOCK_STREAM, 0) == -1 && errno == ENOSYS)
1904 if(connect(0, (struct sockaddr*)&soun, 0) == -1 && errno == ENOSYS)
1906 if(shutdown(0, SHUT_RD | SHUT_WR | SHUT_RDWR) == -1 && errno == ENOSYS)
1912 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets' \
1913 '#define HAVE_UNIX_SOCKETS' ||
1914 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets (via -lnsl)' \
1915 '#define HAVE_UNIX_SOCKETS' '-lnsl' ||
1916 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets (via -lsocket -lnsl)' \
1917 '#define HAVE_UNIX_SOCKETS' '-lsocket -lnsl'
1920 if feat_yes SOCKETS; then
1921 ${cat} > ${tmp2}.c << \!
1922 #include <sys/types.h>
1923 #include <sys/socket.h>
1924 #include <netinet/in.h>
1929 if(socket(AF_INET, SOCK_STREAM, 0) == -1 && errno == ENOSYS)
1931 if(connect(0, &s, 0) == -1 && errno == ENOSYS)
1937 < ${tmp2}.c run_check sockets 'sockets' \
1938 '#define HAVE_SOCKETS' ||
1939 < ${tmp2}.c run_check sockets 'sockets (via -lnsl)' \
1940 '#define HAVE_SOCKETS' '-lnsl' ||
1941 < ${tmp2}.c run_check sockets 'sockets (via -lsocket -lnsl)' \
1942 '#define HAVE_SOCKETS' '-lsocket -lnsl' ||
1943 feat_bail_required SOCKETS
1945 echo '/* OPT_SOCKETS=0 */' >> ${h}
1946 fi # feat_yes SOCKETS
1948 if feat_yes SOCKETS; then
1949 link_check getaddrinfo 'getaddrinfo(3)' \
1950 '#define HAVE_GETADDRINFO' << \!
1951 #include <sys/types.h>
1952 #include <sys/socket.h>
1956 struct addrinfo a, *ap;
1959 switch((lrv = getaddrinfo("foo", "0", &a, &ap))){
1963 fprintf(stderr, "%s\n", gai_strerror(lrv));
1972 if feat_yes SOCKETS && [ -z "${have_getaddrinfo}" ]; then
1973 compile_check arpa_inet_h '<arpa/inet.h>' \
1974 '#define HAVE_ARPA_INET_H' << \!
1975 #include <sys/types.h>
1976 #include <sys/socket.h>
1978 #include <netinet/in.h>
1979 #include <arpa/inet.h>
1982 ${cat} > ${tmp2}.c << \!
1983 #include <sys/types.h>
1984 #include <sys/socket.h>
1988 #include <netinet/in.h>
1989 #ifdef HAVE_ARPA_INET_H
1990 #include <arpa/inet.h>
1993 struct sockaddr_in servaddr;
1994 unsigned short portno;
1997 struct in_addr **pptr;
2000 if((ep = getservbyname("POPPY-PORT", "tcp")) != NULL)
2001 portno = (unsigned short)ep->s_port;
2003 if((hp = gethostbyname("POPPY-HOST")) != NULL){
2004 pptr = (struct in_addr**)hp->h_addr_list;
2005 if(hp->h_addrtype != AF_INET)
2006 fprintf(stderr, "au\n");
2009 case HOST_NOT_FOUND:
2015 fprintf(stderr, "au\n");
2020 memset(&servaddr, 0, sizeof servaddr);
2021 servaddr.sin_family = AF_INET;
2022 servaddr.sin_port = htons(portno);
2023 memcpy(&servaddr.sin_addr, *pptr, sizeof(struct in_addr));
2024 fprintf(stderr, "Would connect to %s:%d ...\n",
2025 inet_ntoa(**pptr), (int)portno);
2030 < ${tmp2}.c link_check gethostbyname 'get(serv|host)byname(3)' ||
2031 < ${tmp2}.c link_check gethostbyname \
2032 'get(serv|host)byname(3) (via -nsl)' '' '-lnsl' ||
2033 < ${tmp2}.c link_check gethostbyname \
2034 'get(serv|host)byname(3) (via -lsocket -nsl)' \
2035 '' '-lsocket -lnsl' ||
2036 feat_bail_required SOCKETS
2040 run_check setsockopt 'setsockopt(2)' '#define HAVE_SETSOCKOPT' << \!
2041 #include <sys/socket.h>
2047 if(setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, NULL, 0) == -1 &&
2054 feat_yes SOCKETS && [ -n "${have_setsockopt}" ] &&
2055 link_check so_sndtimeo 'SO_SNDTIMEO' '#define HAVE_SO_SNDTIMEO' << \!
2056 #include <sys/socket.h>
2064 setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof tv);
2065 setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv);
2070 feat_yes SOCKETS && [ -n "${have_setsockopt}" ] &&
2071 link_check so_linger 'SO_LINGER' '#define HAVE_SO_LINGER' << \!
2072 #include <sys/socket.h>
2080 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &li, sizeof li);
2085 if feat_yes SSL; then # {{{
2086 # {{{ LibreSSL decided to define OPENSSL_VERSION_NUMBER with a useless value
2087 # instead of keeping it at the one that corresponds to the OpenSSL at fork
2088 # time: we need to test it first in order to get things right
2089 if compile_check _xssl 'TLS/SSL (LibreSSL)' \
2092 #define HAVE_XSSL_RESSL
2093 #define HAVE_XSSL_OPENSSL 0' << \!
2094 #include <openssl/opensslv.h>
2095 #ifdef LIBRESSL_VERSION_NUMBER
2102 # TODO OPENSSL_IS_BORINGSSL, but never tried that one!
2103 elif compile_check _xssl 'TLS/SSL (OpenSSL >= v1.1.0)' \
2106 #define HAVE_XSSL_OPENSSL 0x10100' << \!
2107 #include <openssl/opensslv.h>
2108 #if OPENSSL_VERSION_NUMBER + 0 >= 0x10100000L
2115 elif compile_check _xssl 'TLS/SSL (OpenSSL)' \
2118 #define HAVE_XSSL_OPENSSL 0x10000' << \!
2119 #include <openssl/opensslv.h>
2120 #ifdef OPENSSL_VERSION_NUMBER
2128 feat_bail_required SSL
2131 if feat_yes SSL; then # {{{
2132 if [ -n "${ossl_v1_1}" ]; then
2133 without_check yes xssl 'TLS/SSL (new style *_client_method(3ssl))' \
2134 '#define n_XSSL_CLIENT_METHOD TLS_client_method' \
2136 elif link_check xssl 'TLS/SSL (new style *_client_method(3ssl))' \
2137 '#define n_XSSL_CLIENT_METHOD TLS_client_method' \
2138 '-lssl -lcrypto' << \!
2139 #include <openssl/ssl.h>
2140 #include <openssl/err.h>
2141 #include <openssl/x509v3.h>
2142 #include <openssl/x509.h>
2143 #include <openssl/rand.h>
2144 #ifdef OPENSSL_NO_TLS1 /* TODO only deduced from OPENSSL_NO_SSL[23]! */
2145 # error We need TLSv1.
2148 SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
2151 PEM_read_PrivateKey(0, 0, 0, 0);
2157 elif link_check xssl 'TLS/SSL (old style *_client_method(3ssl))' \
2158 '#define n_XSSL_CLIENT_METHOD SSLv23_client_method' \
2159 '-lssl -lcrypto' << \!
2160 #include <openssl/ssl.h>
2161 #include <openssl/err.h>
2162 #include <openssl/x509v3.h>
2163 #include <openssl/x509.h>
2164 #include <openssl/rand.h>
2165 #if defined OPENSSL_NO_SSL3 &&\
2166 defined OPENSSL_NO_TLS1 /* TODO only deduced from OPENSSL_NO_SSL[23]! */
2167 # error We need one of SSLv3 and TLSv1.
2170 SSL_CTX *ctx = SSL_CTX_new(SSLv23_client_method());
2173 PEM_read_PrivateKey(0, 0, 0, 0);
2180 feat_bail_required SSL
2184 if feat_yes SSL; then # {{{
2185 if [ -n "${ossl_v1_1}" ]; then
2186 without_check yes xssl_stack_of 'TLS/SSL STACK_OF()' \
2187 '#define HAVE_XSSL_STACK_OF'
2188 elif compile_check xssl_stack_of 'TLS/SSL STACK_OF()' \
2189 '#define HAVE_XSSL_STACK_OF' << \!
2190 #include <stdio.h> /* For C89 NULL */
2191 #include <openssl/ssl.h>
2192 #include <openssl/err.h>
2193 #include <openssl/x509v3.h>
2194 #include <openssl/x509.h>
2195 #include <openssl/rand.h>
2197 STACK_OF(GENERAL_NAME) *gens = NULL;
2199 printf("%p", gens); /* to use it */
2207 if [ -n "${ossl_v1_1}" ]; then
2208 without_check yes xssl_conf 'TLS/SSL OpenSSL_modules_load_file()' \
2209 '#define HAVE_XSSL_CONFIG'
2210 elif link_check xssl_conf 'TLS/SSL OpenSSL_modules_load_file() support' \
2211 '#define HAVE_XSSL_CONFIG' << \!
2212 #include <stdio.h> /* For C89 NULL */
2213 #include <openssl/conf.h>
2215 CONF_modules_load_file(NULL, NULL, CONF_MFLAGS_IGNORE_MISSING_FILE);
2216 CONF_modules_free();
2224 if [ -n "${ossl_v1_1}" ]; then
2225 without_check yes xssl_conf_ctx 'TLS/SSL SSL_CONF_CTX support' \
2226 '#define HAVE_XSSL_CONF_CTX'
2227 elif link_check xssl_conf_ctx 'TLS/SSL SSL_CONF_CTX support' \
2228 '#define HAVE_XSSL_CONF_CTX' << \!
2229 #include <openssl/ssl.h>
2230 #include <openssl/err.h>
2232 SSL_CTX *ctx = SSL_CTX_new(n_XSSL_CLIENT_METHOD());
2233 SSL_CONF_CTX *cctx = SSL_CONF_CTX_new();
2235 SSL_CONF_CTX_set_flags(cctx,
2236 SSL_CONF_FLAG_FILE | SSL_CONF_FLAG_CLIENT |
2237 SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_SHOW_ERRORS);
2238 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
2239 SSL_CONF_cmd(cctx, "Protocol", "ALL");
2240 SSL_CONF_CTX_finish(cctx);
2241 SSL_CONF_CTX_free(cctx);
2250 if [ -n "${ossl_v1_1}" ]; then
2251 without_check no xssl_rand_egd 'TLS/SSL RAND_egd(3ssl)' \
2252 '#define HAVE_XSSL_RAND_EGD'
2253 elif link_check xssl_rand_egd 'TLS/SSL RAND_egd(3ssl)' \
2254 '#define HAVE_XSSL_RAND_EGD' << \!
2255 #include <openssl/rand.h>
2257 return RAND_egd("some.where") > 0;
2264 if feat_yes SSL_ALL_ALGORITHMS; then
2265 if [ -n "${ossl_v1_1}" ]; then
2266 without_check yes ssl_all_algo 'TLS/SSL all-algorithms support' \
2267 '#define HAVE_SSL_ALL_ALGORITHMS'
2268 elif link_check ssl_all_algo 'TLS/SSL all-algorithms support' \
2269 '#define HAVE_SSL_ALL_ALGORITHMS' << \!
2270 #include <openssl/evp.h>
2272 OpenSSL_add_all_algorithms();
2273 EVP_get_cipherbyname("two cents i never exist");
2281 feat_bail_required SSL_ALL_ALGORITHMS
2284 fi # feat_yes SSL }}}
2286 if feat_yes SSL && feat_yes MD5 && feat_no NOEXTMD5; then # {{{
2287 run_check ssl_md5 'MD5 digest in the used crypto library' \
2288 '#define HAVE_XSSL_MD5' << \!
2291 #include <openssl/md5.h>
2293 char const dat[] = "abrakadabrafidibus";
2294 char dig[16], hex[16 * 2];
2298 memset(dig, 0, sizeof(dig));
2299 memset(hex, 0, sizeof(hex));
2301 MD5_Update(&ctx, dat, sizeof(dat) - 1);
2302 MD5_Final(dig, &ctx);
2304 #define hexchar(n) ((n) > 9 ? (n) - 10 + 'a' : (n) + '0')
2305 for(i = 0; i < sizeof(hex) / 2; i++){
2307 hex[j] = hexchar((dig[i] & 0xf0) >> 4);
2308 hex[++j] = hexchar(dig[i] & 0x0f);
2310 return !!memcmp("6d7d0a3d949da2e96f2aa010f65d8326", hex, sizeof(hex));
2315 echo '/* OPT_SSL=0 */' >> ${h}
2316 fi # }}} feat_yes SSL
2318 if [ "${have_xssl}" = yes ]; then
2329 if feat_yes GSSAPI; then
2330 ${cat} > ${tmp2}.c << \!
2331 #include <gssapi/gssapi.h>
2333 gss_import_name(0, 0, GSS_C_NT_HOSTBASED_SERVICE, 0);
2334 gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
2338 ${sed} -e '1s/gssapi\///' < ${tmp2}.c > ${tmp3}.c
2340 if command -v krb5-config >/dev/null 2>&1; then
2341 i=`command -v krb5-config
`
2342 GSS_LIBS="`CFLAGS
= ${i} --libs gssapi
`"
2343 GSS_INCS="`CFLAGS
= ${i} --cflags`"
2344 i='GSS-API via krb5-config(1)'
2348 i='GSS-API in gssapi/gssapi.h, libgssapi'
2350 if < ${tmp2}.c link_check gss \
2351 "${i}" '#define HAVE_GSSAPI' "${GSS_LIBS}" "${GSS_INCS}" ||\
2352 < ${tmp3}.c link_check gss \
2353 'GSS-API in gssapi.h, libgssapi' \
2354 '#define HAVE_GSSAPI
2355 #define GSSAPI_REG_INCLUDE' \
2357 < ${tmp2}.c link_check gss 'GSS-API in libgssapi_krb5' \
2358 '#define HAVE_GSSAPI' \
2360 < ${tmp3}.c link_check gss \
2361 'GSS-API in libgssapi, OpenBSD-style (pre 5.3)' \
2362 '#define HAVE_GSSAPI
2363 #define GSS_REG_INCLUDE' \
2364 '-lgssapi -lkrb5 -lcrypto' \
2365 '-I/usr/include/kerberosV' ||\
2366 < ${tmp2}.c link_check gss 'GSS-API in libgss' \
2367 '#define HAVE_GSSAPI' \
2369 link_check gss 'GSS-API in libgssapi_krb5, old-style' \
2370 '#define HAVE_GSSAPI
2371 #define GSSAPI_OLD_STYLE' \
2372 '-lgssapi_krb5' << \!
2373 #include <gssapi/gssapi.h>
2374 #include <gssapi/gssapi_generic.h>
2376 gss_import_name(0, 0, gss_nt_service_name, 0);
2377 gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
2384 feat_bail_required GSSAPI
2387 echo '/* OPT_GSSAPI=0 */' >> ${h}
2388 fi # feat_yes GSSAPI
2393 if feat_yes IDNA; then
2394 if link_check idna 'GNU Libidn' '#define HAVE_IDNA HAVE_IDNA_LIBIDNA' \
2397 #include <idn-free.h>
2398 #include <stringprep.h>
2400 char *utf8, *idna_ascii, *idna_utf8;
2402 utf8 = stringprep_locale_to_utf8("does.this.work");
2403 if (idna_to_ascii_8z(utf8, &idna_ascii, IDNA_USE_STD3_ASCII_RULES)
2406 idn_free(idna_ascii);
2407 /* (Rather link check only here) */
2408 idna_utf8 = stringprep_convert(idna_ascii, "UTF-8", "de_DE");
2414 elif link_check idna 'idnkit' '#define HAVE_IDNA HAVE_IDNA_IDNKIT' \
2417 #include <idn/api.h>
2418 #include <idn/result.h>
2422 char local_name[256];
2424 r = idn_encodename(IDN_ENCODE_APP, "does.this.work", ace_name,
2426 if (r != idn_success) {
2427 fprintf(stderr, "idn_encodename failed: %s\n", idn_result_tostring(r));
2430 r = idn_decodename(IDN_DECODE_APP, ace_name, local_name, sizeof(local_name));
2431 if (r != idn_success) {
2432 fprintf(stderr, "idn_decodename failed: %s\n", idn_result_tostring(r));
2441 feat_bail_required IDNA
2444 if [ -n "${have_idna}" ]; then
2445 echo '#define HAVE_IDNA_LIBIDNA 0' >> ${h}
2446 echo '#define HAVE_IDNA_IDNKIT 1' >> ${h}
2449 echo '/* OPT_IDNA=0 */' >> ${h}
2452 feat_def IMAP_SEARCH
2454 if feat_yes REGEX; then
2455 if link_check regex 'regular expressions' '#define HAVE_REGEX' << \!
2463 status = regcomp(&re, ".*bsd", REG_EXTENDED | REG_ICASE | REG_NOSUB);
2464 xret = regerror(status, &re, NULL, 0);
2465 status = regexec(&re, "plan9", 0,NULL, 0);
2467 return !(status == REG_NOMATCH);
2473 feat_bail_required REGEX
2476 echo '/* OPT_REGEX=0 */' >> ${h}
2479 if feat_yes MLE && [ -n "${have_c90amend1}" ]; then
2481 echo '#define HAVE_MLE' >> ${h}
2483 feat_bail_required MLE
2484 echo '/* OPT_MLE=0 */' >> ${h}
2487 # Generic have-a-line-editor switch for those who need it below
2488 if [ -n "${have_mle}" ]; then
2492 if [ -n "${have_cle}" ] && feat_yes HISTORY; then
2493 echo '#define HAVE_HISTORY' >> ${h}
2495 echo '/* OPT_HISTORY=0 */' >> ${h}
2498 if [ -n "${have_mle}" ] && feat_yes KEY_BINDINGS; then
2499 echo '#define HAVE_KEY_BINDINGS' >> ${h}
2501 echo '/* OPT_KEY_BINDINGS=0 */' >> ${h}
2504 if feat_yes TERMCAP; then
2506 link_check termcap "termcap(5) (via ${4})" \
2507 "#define HAVE_TERMCAP${3}" "${1}" << _EOT
2512 #define UNCONST(P) ((void*)(unsigned long)(void const*)(P))
2513 static int my_putc(int c){return putchar(c);}
2515 char buf[1024+512], cmdbuf[2048], *cpb, *r1;
2516 int r2 = OK, r3 = ERR;
2518 tgetent(buf, getenv("TERM"));
2520 r1 = tgetstr(UNCONST("cm"), &cpb);
2522 r2 = tgetnum(UNCONST("Co"));
2523 r3 = tgetflag(UNCONST("ut"));
2524 tputs("cr", 1, &my_putc);
2525 return (r1 == NULL || r2 == -1 || r3 == 0);
2531 link_check terminfo "terminfo(5) (via ${2})" \
2532 '#define HAVE_TERMCAP
2533 #define HAVE_TERMCAP_CURSES
2534 #define HAVE_TERMINFO' "${1}" << _EOT
2538 #define UNCONST(P) ((void*)(unsigned long)(void const*)(P))
2539 static int my_putc(int c){return putchar(c);}
2545 r0 = setupterm(NULL, 1, &er);
2546 r1 = tigetflag(UNCONST("bce"));
2547 r2 = tigetnum(UNCONST("colors"));
2548 r3 = tigetstr(UNCONST("cr"));
2549 tp = tparm(r3, NULL, NULL, 0,0,0,0,0,0,0);
2550 tputs(tp, 1, &my_putc);
2551 return (r0 == ERR || r1 == -1 || r2 == -2 || r2 == -1 ||
2552 r3 == (char*)-1 || r3 == NULL);
2557 if feat_yes TERMCAP_VIA_TERMINFO; then
2558 __terminfolib -ltinfo -ltinfo ||
2559 __terminfolib -lcurses -lcurses ||
2560 __terminfolib -lcursesw -lcursesw ||
2561 feat_bail_required TERMCAP_VIA_TERMINFO
2564 if [ -z "${have_terminfo}" ]; then
2565 __termcaplib -ltermcap '' '' '-ltermcap' ||
2566 __termcaplib -ltermcap '#include <curses.h>' '
2567 #define HAVE_TERMCAP_CURSES' \
2568 'curses.h / -ltermcap' ||
2569 __termcaplib -lcurses '#include <curses.h>' '
2570 #define HAVE_TERMCAP_CURSES' \
2571 'curses.h / -lcurses' ||
2572 __termcaplib -lcursesw '#include <curses.h>' '
2573 #define HAVE_TERMCAP_CURSES' \
2574 'curses.h / -lcursesw' ||
2575 feat_bail_required TERMCAP
2577 if [ -n "${have_termcap}" ]; then
2578 run_check tgetent_null \
2579 "tgetent(3) of termcap(5) takes NULL buffer" \
2580 "#define HAVE_TGETENT_NULL_BUF" << _EOT
2581 #include <stdio.h> /* For C89 NULL */
2583 #ifdef HAVE_TERMCAP_CURSES
2584 # include <curses.h>
2588 tgetent(NULL, getenv("TERM"));
2595 echo '/* OPT_TERMCAP=0 */' >> ${h}
2596 echo '/* OPT_TERMCAP_VIA_TERMINFO=0 */' >> ${h}
2599 if feat_def SPAM_SPAMC; then
2600 if command -v spamc >/dev/null 2>&1; then
2601 echo "#define SPAM_SPAMC_PATH \"`command -v spamc
`\"" >> ${h}
2605 if feat_yes SPAM_SPAMD && [ -n "${have_af_unix}" ]; then
2606 echo '#define HAVE_SPAM_SPAMD' >> ${h}
2608 feat_bail_required SPAM_SPAMD
2609 echo '/* OPT_SPAM_SPAMD=0 */' >> ${h}
2612 feat_def SPAM_FILTER
2614 if feat_yes SPAM_SPAMC || feat_yes SPAM_SPAMD || feat_yes SPAM_FILTER; then
2615 echo '#define HAVE_SPAM' >> ${h}
2617 echo '/* HAVE_SPAM */' >> ${h}
2620 if feat_yes QUOTE_FOLD &&\
2621 [ -n "${have_c90amend1}" ] && [ -n "${have_wcwidth}" ]; then
2622 echo '#define HAVE_QUOTE_FOLD' >> ${h}
2624 feat_bail_required QUOTE_FOLD
2625 echo '/* OPT_QUOTE_FOLD=0 */' >> ${h}
2628 feat_def FILTER_HTML_TAGSOUP
2637 squeeze_em ${inc} ${tmp}
2639 squeeze_em ${lib} ${tmp}
2644 printf '#ifndef n_MK_CONFIG_H\n# define n_MK_CONFIG_H 1\n' > ${h}
2645 ${cat} ${tmp} >> ${h}
2649 # Create the real mk-config.mk
2650 # Note we cannout use explicit ./ filename prefix for source and object
2651 # pathnames because of a bug in bmake(1)
2652 ${rm} -rf ${tmp0}.* ${tmp0}*
2653 printf 'OBJ_SRC = ' >> ${mk}
2654 if feat_no AMALGAMATION; then
2655 for i in `printf '%s\n' *.c |
${sort}`; do
2656 if [ "${i}" = privsep.c ]; then
2659 printf "${i} " >> ${mk}
2661 printf '\nAMALGAM_TARGET =\nAMALGAM_DEP =\n' >> ${mk}
2663 printf 'main.c\nAMALGAM_TARGET = main.o\nAMALGAM_DEP = ' >> ${mk}
2665 printf '\n/* HAVE_AMALGAMATION: include sources */\n' >> ${h}
2666 printf '#elif _CONFIG_H + 0 == 1\n' >> ${h}
2667 printf '# undef _CONFIG_H\n' >> ${h}
2668 printf '# define _CONFIG_H 2\n' >> ${h}
2669 for i in `printf '%s\n' *.c |
${sort}`; do
2670 if [ "${i}" = "${j}" ] || [ "${i}" = main.c ] || \
2671 [ "${i}" = privsep.c ]; then
2674 printf "${i} " >> ${mk}
2675 printf "# include \"${i}\"\n" >> ${h}
2678 # tcc(1) fails on 2015-11-13 unless this #else clause existed
2679 echo '#else' >> ${h}
2682 # Finally, create the string that is used by *features* and `version
'.
2683 # Take this nice opportunity and generate a visual listing of included and
2684 # non-included features for the person who runs the configuration
2685 msg '\nThe following features are included
(+) or not
(-):'
2686 set -- ${OPTIONS_DETECT} ${OPTIONS} ${OPTIONS_XTRA}
2687 printf '/* The
"feature string" */\n' >> ${h}
2688 # Because + is expanded by *folder* if first in "echo $features", put something
2689 printf '#define VAL_FEATURES_CNT '${#}'\n#define VAL_FEATURES "#' >> ${h}
2693 sdoc
=`option_doc_of ${opt}`
2694 [ -z "${sdoc}" ] && continue
2695 sopt
="`echo ${opt} | ${tr} '[A-Z]_' '[a-z]-'`"
2696 feat_yes
${opt} && sign
=+ || sign
=-
2697 printf -- "${sep}${sign}${sopt}" >> ${h}
2699 msg " %s
%s
: %s
" ${sign} ${sopt} "${sdoc}"
2701 # TODO instead of using sh+tr+awk+printf, use awk, drop option_doc_of, inc here
2703 #${awk} -v opts="${OPTIONS_DETECT} ${OPTIONS} ${OPTIONS_XTRA}" \
2704 # -v xopts="${XOPTIONS_DETECT} ${XOPTIONS} ${XOPTIONS_XTRA}" \
2706 printf '"\n#endif /* n_MK_CONFIG_H */\n' >> ${h}
2708 echo "LIBS = `${cat} ${lib}`" >> ${mk}
2709 echo "INCS
= `${cat} ${inc}`" >> ${mk}
2711 ${cat} ./make-config.in >> ${mk}
2716 msg ' . System-wide resource file: %s/%s' "${VAL_SYSCONFDIR}" "${VAL_SYSCONFRC}"
2717 msg ' . bindir: %s' "${VAL_BINDIR}"
2718 if feat_yes DOTLOCK; then
2719 msg ' . libexecdir: %s' "${VAL_LIBEXECDIR}"
2721 msg ' . mandir: %s' "${VAL_MANDIR}"
2722 msg ' . M(ail)T(ransfer)A(gent): %s (argv0 %s)' "${VAL_MTA}" "${VAL_MTA_ARGV0}"
2723 msg ' . $MAIL spool directory: %s' "${VAL_MAIL}"
2726 if [ -n "${have_fnmatch}" ] && [ -n "${have_fchdir}" ]; then
2730 if [ -z "${have_fnmatch}" ]; then
2731 msg ' . The function fnmatch(3) could not be found.'
2732 msg ' Filename patterns like wildcard are not supported on your system'
2734 if [ -z "${have_fchdir}" ]; then
2735 msg ' . The function fchdir(2) could not be found.'
2736 msg ' We will use chdir(2) instead.'
2737 msg ' This is a problem only if the current working directory is changed'
2738 msg ' while this program is inside of it'